Flask with attached tumblers



FIG. 1 is a front side perspective view of a flask with attached tumblers showing our new design;

FIG. 2 is a front side view thereof;

FIG. 3 is a back side view thereof;

FIG. 4 is a top side view thereof; and,

FIG. 5 is a bottom side view thereof.

The broken lines in the drawings depict portions of the flask with attached tumblers that form no part of the claimed design. 

CLAIM The ornamental design for a flask with attached tumblers, as shown and described. 